Source code of Windows XP (NT5)
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/*++
Copyright (c) 1997 Microsoft Corporation
Module Name:
tapiaud.h
Abstract:
This module contains the definition of interfaces to the audio related
filters.
Author:
Mu Han (muhan) May-15-1999
--*/
#ifndef __tapiaud_h__
#define __tapiaud_h__
#include <mmreg.h>
#include <dsound.h>
#include "tapiqc.h"
// CLSIDs for the audio filters
struct DECLSPEC_UUID("581d09e5-0b45-11d3-a565-00c04f8ef6e3") TAPIAudioCapture;
struct DECLSPEC_UUID("8d5c6cb6-0b44-4a5a-b785-44c366d4e677") TAPIAudioEncoder;
struct DECLSPEC_UUID("65439c20-604f-49ca-aa82-dc01a10af171") TAPIAudioDecoder;
struct DECLSPEC_UUID("ad4e63da-c3ef-408f-8153-0fc7d5c29f72") TAPIAudioMixer;
struct DECLSPEC_UUID("44a3b142-cf81-42ea-b4d1-f43dd6f64ece") TAPIAudioRender;
struct DECLSPEC_UUID("3878e189-cfb5-4e75-bd92-3686ee6e6634") TAPIAudioPluginDecoder;
struct DECLSPEC_UUID("613ebf9e-c765-446f-bf96-7728ce579282") TAPIAudioDuplexController;
// It is really bad that we had to do this here.
struct DECLSPEC_UUID("b0210783-89cd-11d0-af08-00a0c925cd16") IDirectSoundNotify;
struct DECLSPEC_UUID("279AFA83-4981-11CE-A521-0020AF0BE560") IDirectSound;
struct DECLSPEC_UUID("C50A7E93-F395-4834-9EF6-7FA99DE50966") IDirectSound8;
struct DECLSPEC_UUID("b0210781-89cd-11d0-af08-00a0c925cd16") IDirectSoundCapture;
struct DECLSPEC_UUID("b0210782-89cd-11d0-af08-00a0c925cd16") IDirectSoundCaptureBuffer;
struct DECLSPEC_UUID("279AFA85-4981-11CE-A521-0020AF0BE560") IDirectSoundBuffer;
// the data structure to describe a audio device.
typedef interface tagAudioDeviceInfo
{
UINT WaveID;
GUID DSoundGUID;
WCHAR szDeviceDescription[MAX_PATH];
} AudioDeviceInfo, *PAudioDeviceInfo;
// device enumeration functions exposed by the tapi audio capture dll.
typedef HRESULT (WINAPI *PFNAudioGetDeviceInfo)(
OUT DWORD * pdwNumDevices,
OUT AudioDeviceInfo ** ppDeviceInfo
);
typedef HRESULT (WINAPI *PFNAudioReleaseDeviceInfo)(
IN AudioDeviceInfo * ppDeviceInfo
);
// This interface is supported by the duplex controller. It only supports
// dsound now.
typedef enum EFFECTS
{
EFFECTS_AEC = 0,
EFFECTS_AGC,
EFFECTS_NS,
EFFECTS_LAST
} EFFECTS;
interface DECLSPEC_UUID("864551a0-a822-48d7-a193-ddaa1c43d242") DECLSPEC_NOVTABLE
IAudioDuplexController : public IUnknown
{
STDMETHOD (SetCaptureBufferInfo) (
IN GUID * pDSoundCaptureGUID,
IN DSCBUFFERDESC * pDescription
) PURE;
STDMETHOD (SetRenderBufferInfo) (
IN GUID * pDSoundRenderGUID,
IN DSBUFFERDESC * pDescription,
IN HWND hWindow,
IN DWORD dwCooperateLevel
) PURE;
STDMETHOD (EnableEffects) (
IN DWORD dwNumberEffects,
IN EFFECTS * pEffects,
IN BOOL * pfEnable
);
STDMETHOD (GetCaptureDevice) (
LPLPDIRECTSOUNDCAPTURE ppDSoundCapture,
LPLPDIRECTSOUNDCAPTUREBUFFER ppCaptureBuffer
) PURE;
STDMETHOD (GetRenderDevice) (
LPLPDIRECTSOUND ppDirectSound,
LPLPDIRECTSOUNDBUFFER ppRenderBuffer
) PURE;
STDMETHOD (ReleaseCaptureDevice) () PURE;
STDMETHOD (ReleaseRenderDevice) () PURE;
STDMETHOD (GetEffect) (
IN EFFECTS Effect,
OUT BOOL *pfEnabled
);
};
// the device configuration interface on teh tapi audio capture filter.
interface DECLSPEC_UUID("3a12e2c1-1265-11d3-a56d-00c04f8ef6e3") DECLSPEC_NOVTABLE
IAudioDeviceConfig : public IUnknown
{
STDMETHOD (SetDeviceID) (
IN REFGUID pDSoundGUID,
IN UINT uiWaveID
) PURE;
STDMETHOD (SetDuplexController) (
IN IAudioDuplexController * pIAudioDuplexController
) PURE;
};
#if !defined(STREAM_INTERFACES_DEFINED)
typedef enum tagAudioDeviceProperty
{
AudioDevice_DuplexMode,
AudioDevice_AutomaticGainControl,
AudioDevice_AcousticEchoCancellation
} AudioDeviceProperty;
#endif
// IAudioDeviceControl interface.
interface DECLSPEC_UUID("3a12e2c2-1265-11d3-a56d-00c04f8ef6e3") DECLSPEC_NOVTABLE
IAudioDeviceControl : public IUnknown
{
STDMETHOD (GetRange) (
IN AudioDeviceProperty Property,
OUT long *plMin,
OUT long *plMax,
OUT long *plSteppingDelta,
OUT long *plDefault,
OUT TAPIControlFlags *plFlags
) PURE;
STDMETHOD (Get) (
IN AudioDeviceProperty Property,
OUT long *plValue,
OUT TAPIControlFlags *plFlags
) PURE;
STDMETHOD (Set) (
IN AudioDeviceProperty Property,
IN long lValue,
IN TAPIControlFlags lFlags
) PURE;
};
// IAudioAutoPlay interface
interface DECLSPEC_UUID("c5e7c28f-1446-4ebe-b7fc-72f599a72663") DECLSPEC_NOVTABLE
IAudioAutoPlay : public IUnknown
{
STDMETHOD (StartAutoPlay) (IN BOOL fRun) PURE;
STDMETHOD (StopAutoPlay) () PURE;
};
// IAudioEffectControl interface
interface DECLSPEC_UUID("8eb9f108-3447-4fee-a705-6c6cf35c660c") DECLSPEC_NOVTABLE
IAudioEffectControl : public IUnknown
{
// if enabled and AEC, use DSound AGC
STDMETHOD (SetDsoundAGC) (IN BOOL fEnable) PURE;
// if enabled and no AEC, revert gain to previous volume
STDMETHOD (SetGainIncRevert) (IN BOOL fEnable) PURE;
STDMETHOD (SetFixedMixLevel) (IN DOUBLE dLevel) PURE;
};
// IBasicAudioEx interface
interface DECLSPEC_UUID("9c31055a-24bd-4ac1-be2b-ebe7ce89890c") DECLSPEC_NOVTABLE
IBasicAudioEx : public IUnknown
{
STDMETHOD (SetMute) (IN BOOL fMute) PURE;
STDMETHOD (GetMute) (OUT LPBOOL pfMute) PURE;
};
// IAudioDTMFControl interface
interface DECLSPEC_UUID("dd1f3c26-5524-4d77-9fb2-7df5d62ffd87") DECLSPEC_NOVTABLE
IAudioDTMFControl : public IUnknown
{
STDMETHOD (SendDTMFEvent) (
IN DWORD dwEvent
) PURE;
};
// IAudioStatistics
interface DECLSPEC_UUID("20fc7641-f3b2-4384-96ad-bf3d986e8751") DECLSPEC_NOVTABLE
IAudioStatistics : public IUnknown
{
STDMETHOD (GetAudioLevel) (OUT LPLONG plAudioLevel) PURE;
STDMETHOD (GetAudioLevelRange) (
OUT LPLONG plMin,
OUT LPLONG plMax
) PURE;
};
// ISilenceControl interface
interface DECLSPEC_UUID("8804b7e4-2ef4-489f-a31b-740ac4278304") DECLSPEC_NOVTABLE
ISilenceControl : public IUnknown
{
STDMETHOD (SetSilenceDetection) (IN BOOL fEnable) PURE;
STDMETHOD (GetSilenceDetection) (OUT LPBOOL pfEnable) PURE;
STDMETHOD (SetSilenceCompression) (IN BOOL fEnable) PURE;
STDMETHOD (GetSilenceCompression) (OUT LPBOOL pfEnable) PURE;
STDMETHOD (GetAudioLevel) (
OUT LPLONG plAudioLevel
) PURE;
STDMETHOD (GetAudioLevelRange) (
OUT LPLONG plMin,
OUT LPLONG plMax,
OUT LPLONG plSteppingDelta
) PURE;
STDMETHOD (SetSilenceLevel) (
IN LONG lSilenceLevel,
IN TAPIControlFlags lFlags
) PURE;
STDMETHOD (GetSilenceLevel) (
OUT LPLONG plSilenceLevel,
OUT TAPIControlFlags * pFlags
) PURE;
STDMETHOD (GetSilenceLevelRange) (
OUT LPLONG plMin,
OUT LPLONG plMax,
OUT LPLONG plSteppingDelta,
OUT LPLONG plDefault,
OUT TAPIControlFlags * pFlags
) PURE;
};
#define VAD_EVENTBASE (100000)
// events for voice activity detection.
typedef enum VAD_EVENT
{
VAD_TALKING,
VAD_SILENCE
} VAD_EVENT;
#ifndef WAVEFORMATEX_RTPG711
typedef struct {
// Generic WAVEFORMATEX fields
WAVEFORMATEX WaveFormatEx;
// network specific field
WORD wPacketDuration;
// Reserved
DWORD dwReserved[2];
} WAVEFORMATEX_RTPG711, *PWAVEFORMATEX_RTPG711;
#endif
#ifndef WAVEFORMATEX_RTPG723_1
typedef struct {
// Generic WAVEFORMATEX fields
WAVEFORMATEX WaveFormatEx;
// network specific field
WORD wPacketDuration;
// Variable bitrate specific field
WORD wSamplesPerBlock;
// G.723.1 specific fields
WORD fSilenceDetection:1;
WORD fSilenceCompression:1;
WORD fLowDataRate:1;
WORD fReserved:13;
// Reserved
DWORD dwReserved[2];
} WAVEFORMATEX_RTPG723_1, *PWAVEFORMATEX_RTPG723_1;
#endif
#ifndef WAVEFORMATEX_RTPDVI4
typedef struct {
// Generic WAVEFORMATEX fields
WAVEFORMATEX WaveFormatEx;
// network specific field
WORD wPacketDuration;
} WAVEFORMATEX_RTPDVI4, *PWAVEFORMATEX_RTPDVI4;
#endif
#ifndef WAVEFORMATEX_RTPSIREN
/* WAVE form wFormatTag IDs (mmreg.h defines most of the tags) */
#define WAVE_FORMAT_SIREN 0x3001
typedef struct {
// Generic WAVEFORMATEX fields
WAVEFORMATEX WaveFormatEx;
// network specific field
WORD wPacketDuration;
} WAVEFORMATEX_RTPSIREN, *PWAVEFORMATEX_RTPSIREN;
#endif
#ifndef WAVEFORMATEX_RTPG722_1
#define WAVE_FORMAT_G722_1 0x3002
typedef struct {
// Generic WAVEFORMATEX fields
WAVEFORMATEX WaveFormatEx;
// network specific field
WORD wPacketDuration;
} WAVEFORMATEX_RTPG722_1, *PWAVEFORMATEX_RTPG722_1;
#endif
#ifndef WAVEFORMATEX_RTPMSAUDIO
typedef struct {
// Generic WAVEFORMATEX fields
WAVEFORMATEX WaveFormatEx;
// network specific field
WORD wPacketDuration;
} WAVEFORMATEX_RTPMSAUDIO, *PWAVEFORMATEX_RTPMSAUDIO;
#endif
#ifndef WAVEFORMATEX_RTPGSM
typedef struct {
// Generic WAVEFORMATEX fields
WAVEFORMATEX WaveFormatEx;
// network specific field
WORD wPacketDuration;
BOOL fMbone;
} WAVEFORMATEX_RTPGSM, *PWAVEFORMATEX_RTPGSM;
#endif
// IEncoderSampleRateControl, a private interface for the test team.
interface DECLSPEC_UUID("483f56a9-513f-4f8b-b0e5-bc6a7ba3f8b9") DECLSPEC_NOVTABLE
IEncoderSampleRateControl : public IUnknown
{
STDMETHOD (GetSampleRate) (OUT DWORD *pdwSampleRate) PURE;
STDMETHOD (SetSampleRate) (IN DWORD dwSampleRate) PURE;
};
#endif //__tapiaud_h__